connecticut's governor has declared friday a day of mourning and has asked churches to ring bells 26 times at 9:30 a.m. one for each victim to mark a week since their deaths. more on the developments from newtown coming up on the "cbs evening news" and stay with cbs 5 and cbssf.com for continuing coverage of the elementary school tragedy. >>> checking bay area headlines here at home an "oakland post" office up and operating again after a hazmat scare forced an evacuation. the laurel district branch on high street had to be shut down about 10 a.m. and the building cleared for investigation. it turned out to be a leaking pepper gas canister in a drawer, the kind they use to keep dogs away. eight people were treated at the scene. and the building reopened by noon. >>> grisly discovery inside a burning storage unit in campbell. firefighters found a body after dousing the flames about 1:30 this morning. they described the unit on cunis drive as about the size of a walk-in closet. investigators suspect the person may have been sleeping -- living there. foul play is not suspected. >>> and g